87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// { dg-require-fork "" }
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// { dg-require-mkfifo "" }
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// 2003-04-26 Petur Runolfsson <peturr02@ru.is>
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// Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 27.3 Standard iostream objects
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#include <fstream>
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#include <iostream>
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#include <cstdlib>
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#include <unistd.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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// No asserts, avoid leaking the semaphore if a VERIFY fails.
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#undef _GLIBCXX_ASSERT
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#include <testsuite_hooks.h>
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// Check that cout.flush() is called when last ios_base::Init is destroyed.
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bool test07()
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{
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using namespace std;
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using namespace __gnu_test;
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bool test __attribute__((unused)) = true;
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const char* name = "tmp_fifo4";
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signal(SIGPIPE, SIG_IGN);
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unlink(name);
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mkfifo(name, S_IRWXU);
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semaphore s1;
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int child = fork();
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VERIFY( child != -1 );
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if (child == 0)
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{
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filebuf fbout;
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fbout.open(name, ios_base::in|ios_base::out);
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VERIFY( fbout.is_open() );
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s1.wait();
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cout.rdbuf(&fbout);
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fbout.sputc('a');
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// NB: fbout is *not* destroyed here!
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exit(0);
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}
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filebuf fbin;
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fbin.open(name, ios_base::in);
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s1.signal();
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filebuf::int_type c = fbin.sbumpc();
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VERIFY( c != filebuf::traits_type::eof() );
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VERIFY( c == filebuf::traits_type::to_int_type('a') );
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fbin.close();
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return test;
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}
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int
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main()
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{
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return !test07();
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}
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